Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-11-05
1993-06-15
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03364640
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Clough William
Ouellette Daniel
Burke Wallace R.
MicroSlate, Inc.
Nunn Freda S.
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